Owner's manual

Models 3711 & 3731 (pdf) 08/02
Technical Assistance [phone] www.aemc.com 4 of 7
Specifications
ELECTRICAL
Ground Resistance Ranges Auto-Ranging 0.01Ω to 1200Ω
Range 0.10 to 1.0 to 50.0 toΩ 100 to 200 to 400 to 600 to
1.00Ω 50.0Ω 100.0Ω 200Ω 400Ω 600Ω 1200Ω
Resolution 0.01Ω 0.1Ω 0.5Ω 1Ω 5Ω 10Ω 50Ω
Accuracy ±2% ±1.5% ±2% ±3% ±6% ±10% Approx. 25%
of Reading of Reading of Reading of Reading of Reading of Reading of Reading
± 0.02Ω ± 0.1Ω ± 0.5Ω ± 1Ω ± 10Ω ± 10Ω ± 50Ω
Current Measurement Ranges Auto-Ranging 1mA to 30.00Arms
Range 1 to 299mA 0.300 to 2.999A 3.00 to 29.99A
Resolution 1mA 0.001A 0.01A
Accuracy ±2.5% of Reading + 2mA ±2.5% of Reading + 2mA ±2.5% of Reading + 20mA
Resistance Measurement
Frequency
2403Hz
Resistance Overload OL displayed above 1200Ω
Current Measurement
Frequency
47 to 800Hz
Current Overload OL displayed above 29.99Arms
Power Source 9V Alkaline battery (IEC 6LF22 or NEDA 1604A)
Battery Life Typical: 8 hours or approx. 1000 measurements of 30 seconds
MECHANICAL
Display 3
3
/4 Digit, 1.73 x 1.10" (44 x 28mm)
Operating Temperature 14° to 131°F (-10° to 55°C)
Storage Temperature -22° to 158°F (-30° to 70°C)
Relative Humidity 10 to 90% RH @ 14° to 104°F (-10° to 40°C), 75% RH @ 131°F (55°C)
Dimensions 9.25 x 3.94 x 2.17" (235 x 100 x 55mm)
Weight 2.2 lbs (1kg)
Jaw Window Diameter 1.25" (32mm)
Jaw Opening 1.38" (35mm)
Case Lexan
®
920A or equivalent (UL94V2)
Colors Gray body, red jaws
Shock Test IEC 68-2-27
Vibration Test IEC 68-2-66
Drop Test (1m) IEC 68-2-32
Dielectric Test 2500VAC
Environmental IP30, IEC 359, Group III
Working Voltage 150V, Cat. III – Pollution Degree 2; 300V, Cat. II – Pollution Degree 2
Max Overload (A or Ω Function) 100A continuous, 200A (<5s) 50/60Hz
U.S. Patent No. 362,639
UL File No. E192383
SAFETY
Safety Rating EN 61010-2-032 (Class 2) Double Insulation
CE Mark Yes